Add resend confirmation for admin (#7378)

* Add confirmations_controller#resend

* Add tests for confirmations_controller#resend

* Add translations

spec/controllers/admin/confirmations_controller_spec.rb

@@ -30,4 +30,35 @@ RSpec.describe Admin::ConfirmationsController, type: :controller do
       expect(response).to have_http_status(404)
     end
   end
+
+  describe 'POST #resernd' do
+    subject { post :resend, params: { account_id: account.id } }
+
+    let(:account) { Fabricate(:account) }
+    let!(:user) { Fabricate(:user, confirmed_at: confirmed_at, account: account) }
+
+    before do
+      allow(UserMailer).to receive(:confirmation_instructions) { double(:email, deliver_later: nil) }
+    end
+
+    context 'when email is not confirmed' do
+      let(:confirmed_at) { nil }
+
+      it 'resends confirmation mail' do
+        expect(subject).to redirect_to admin_accounts_path
+        expect(flash[:notice]).to eq I18n.t('admin.accounts.resend_confirmation.success')
+        expect(UserMailer).to have_received(:confirmation_instructions).once
+      end
+    end
+
+    context 'when email is confirmed' do
+      let(:confirmed_at) { Time.zone.now }
+
+      it 'does not resend confirmation mail' do
+        expect(subject).to redirect_to admin_accounts_path
+        expect(flash[:error]).to eq I18n.t('admin.accounts.resend_confirmation.already_confirmed')
+        expect(UserMailer).not_to have_received(:confirmation_instructions)
+      end
+    end
+  end
 end